1 /*
   2  * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 public class FileName {
  26     private String dir;
  27     private String prefix;
  28     private String stem;
  29     private String suffix;
  30     private String inverseDir;
  31     private String altSuffix;
  32 
  33     private String dpss;
  34     private String psa;
  35     private String dpsa;
  36     private String pss;
  37 
  38     private Platform plat;
  39 
  40     /** None of the passed strings may be null. */
  41 
  42     public FileName(Platform plat, String dir, String prefix,
  43                     String stem, String suffix,
  44                     String inverseDir, String altSuffix) {
  45         if ((dir == null) ||
  46             (prefix == null) ||
  47             (stem == null) ||
  48             (suffix == null) ||
  49             (inverseDir == null) ||
  50             (altSuffix == null)) {
  51             throw new NullPointerException("All arguments must be non-null");
  52         }
  53 
  54         this.plat = plat;
  55 
  56         this.dir = dir;
  57         this.prefix = prefix;
  58         this.stem = stem;
  59         this.suffix = suffix;
  60         this.inverseDir = inverseDir;
  61         this.altSuffix = altSuffix;
  62 
  63         pss = prefix + stem + suffix;
  64         dpss = dir + prefix + stem + suffix;
  65         psa = prefix + stem + altSuffix;
  66         dpsa = dir + prefix + stem + altSuffix;
  67 
  68         checkLength(plat);
  69     }
  70 
  71     public void checkLength(Platform p) {
  72         int len;
  73         String s;
  74         int suffLen = suffix.length();
  75         int altSuffLen = altSuffix.length();
  76         if (suffLen >= altSuffLen) {
  77             len = suffLen;
  78             s = suffix;
  79         } else {
  80             len = altSuffLen;
  81             s = altSuffix;
  82         }
  83         len += prefix.length() + stem.length();
  84         int lim = p.fileNameLengthLimit();
  85         if (len > lim) {
  86             p.fatalError(prefix + stem + s + " is too long: " +
  87                          len + " >= " + lim);
  88         }
  89     }
  90 
  91     public String dirPreStemSuff() {
  92         return dpss;
  93     }
  94 
  95     public String preStemSuff() {
  96         return pss;
  97     }
  98 
  99     public String dirPreStemAltSuff() {
 100         return dpsa;
 101     }
 102 
 103     public String preStemAltSuff() {
 104         return psa;
 105     }
 106 
 107     public FileName copyStem(String newStem) {
 108         return new FileName(plat, dir, prefix, newStem,
 109                             suffix, inverseDir, altSuffix);
 110     }
 111 
 112     String nameOfList() {
 113         return stem;
 114     }
 115 
 116     String getInvDir() {
 117         return inverseDir;
 118     }
 119 }